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Mercury
Marquis
Trouble Codes
P Codes (Powertrain)
MERCURY MARQUIS P CODES (POWERTRAIN)
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Found 10 results
Select a filter to limit the results
P0100 - P0199
P0300 - P0399
P0400 - P0499
P0600 - P0699
P1100 - P1199
P1500 - P1599
1996 Mercury Marquis CODE P0308
Code P0308 Is Showing. I Changed The Spark Plugs, Wires, Pvc Valve, Valve Cover Gasket, Ignition Coil. When I Accelerate The Car...
Asked by
BIGFLAVV
·
2 ANSWERS
2 IMAGES
1996
MERCURY MARQUIS
VIDEO
Is it Safe to Drive Check Engine Light?
Instructional repair video
GUIDE
Check Engine Light
Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...
Code P0357?
I Installed A New Spark Plug After It Blew Out Of The Engine Cylinder Head Like The 4.6 And 5.4 Ford Engines Are Known For. I Used A Heili...
Asked by
Petparent
·
1 ANSWER
2004
MERCURY MARQUIS
1996 Mercury Marquis Codes P0401 And P1504
My 1996 Mercury Marquis V8 Starts Fine. If You Give It More Gas Than An Idle. It Accelerates Fine, But When You Let Off The Gas It Dies...
Asked by
AnnetteUzzell
·
1 ANSWER
1996
MERCURY MARQUIS
PO420 On 2000 Grand Marquis
I Recently Had The Po 420 Code Show Up On My Grand Marquis. I've Replaced The Downstream O2 Sensor On Bank One. It Didn't Fix The Problem...
Asked by
gnorton52
·
1 ANSWER
2000
MERCURY MARQUIS
VIDEO
How to Read Trouble Codes
Instructional repair video
1998 Mercury Marquis Diagnostic Code P0430
Code P0430 Keeps Engine Light On All The Time. Have Been Told By Others It Is A Bad Ox Sensor And Won't Do Any Harm. Is This True? And...
Asked by
Eric M
·
1 ANSWER
1998
MERCURY MARQUIS
2000 Mercury Marquis P0430 Code
It Started As Codes P0305, P0307. Misfires On Cylinders 5 And 7. I Purchased New Coil Packs For The Two Cylinders And New Plugs For All 8...
Asked by
roughouthere
·
1 ANSWER
2000
MERCURY MARQUIS
GUIDE
Check Engine Light Safe to Drive?
We are a team of ASE certified mechanics that have created this guide to help you understand if your car is safe to drive with the check engine or service engine soon...
1997 Mercury Marquis OBD2 Codes P0174 & PO171
Could Not Smog Car Because P0174 Code. Took It To A Mechanic (ford Doctor). He Replaced The Intake Manifold. ( I Know The Story) Gorman Made...
Asked by
Jack Tipton
·
1 ANSWER
1997
MERCURY MARQUIS
1997 Mercury Marquis P0136
Replaced O2 Sensor Bank 1, #2. Reset. After 100 Mile Drive And 2-3 On Cycles Problem Came Back. Reset Again And Problem Comes Back. Checked...
Asked by
engr
·
3 ANSWERS
1997
MERCURY MARQUIS
1997 Mercury Marquis Marquis With Codes P0171,P0174...
Engine Performance Problem 1997 Mercury Marquis 6 Cyl Automatic 94000 Miles Car Runs Rough At Idle, Difficult To Stay Running, Mil...
Asked by
sunshineshel
·
1 ANSWER
1997
MERCURY MARQUIS
2001 Mercury Marquis Engine Code For Possible Bad Cat...
The Check Engine Light Is On, My Scanner Shows A Code Of P0430 Which Indicates A Possible Bad Catalytic Converter Or A Bad O2 Sensor. Don't...
Asked by
hydroguy
·
1 ANSWER
2001
MERCURY MARQUIS
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